What Are the Causes of Car Antifreeze Leakage?

2 Answers
DiCamille
08/31/25 3:37am
The causes of car antifreeze leakage are: 1. There is a leakage point in the cooling system; 2. The lower intake manifold gasket is damaged or the lower part of the radiator upper hose is cracked; 3. The coolant filler cap cannot maintain pressure, causing intermittent warning light illumination; 4. The vehicle has a high coolant temperature fault, leading to coolant loss. Antifreeze is a type of coolant containing special additives that prevents the coolant from freezing and cracking the radiator or damaging the engine cylinder block or head during cold winter parking. It also has excellent properties such as preventing boiling in summer, preventing scale and corrosion all year round. If the antifreeze is of poor quality or even counterfeit, it will not serve the purpose of antifreeze.
Was this review help?
20
4
Share
McElias
09/12/25 7:01am
After driving for so many years, coolant leakage is really a common issue, mostly caused by the aging of the cooling system. If the radiator rusts or develops cracks, the fluid will leak from there, and those hose connections can loosen and leak over time. Once the water pump seal wears out, it will also leak—I've encountered this several times myself, spotting traces during engine cleaning. A loose radiator cap is another reason, as poor pressure control can easily lead to overflow. Corrosion and perforation of coolant pipes are also quite common, especially noticeable after long drives on bumpy roads. Remember to regularly check the fluid level and the condition of system components, otherwise, engine overheating can lead to costly repairs and safety risks.
Was this review help?
8
2
Share
Expand All
More Forum Discussions

Can a temporary ID card be used to purchase a car and register it?

Temporary ID cards can be used to purchase and register a car as long as they are within the validity period. According to Article 2 of the 'Interim Resident Identity Card Management Measures of the People's Republic of China,' Chinese citizens residing within the territory of the People's Republic of China who urgently need to use an identity card during the application, renewal, or replacement of their resident identity card can apply for a temporary resident identity card. Below are some important points to note for vehicle registration: 1. Vehicle registration requires the car's certificate of conformity: When registering the car at the vehicle management office, the certificate of conformity must be submitted to the staff for archiving. 2. Vehicle registration requires the purchase invoice: Whether buying from a 4S store or an auto trader, the owner will receive a purchase invoice, which must be kept safe. Without this invoice, the car cannot be registered. The purchase invoice must also be submitted to the vehicle management office staff during registration for archiving.
3
5
Share

What is the difference between two-valve and four-valve engines?

The main differences between two-valve and four-valve engines lie in the number of valves and their power characteristics. More valves improve the intake and exhaust efficiency of the engine at high speeds but can reduce low-speed torque. Two-valve engines have the advantages of simpler structure and fewer failure points, with better low-speed torque, but lower intake and exhaust efficiency at high speeds, affecting power output. Below is an introduction to two-valve and four-valve engines: 1. Two-valve engines: 1. Advantages: Simple mechanical structure, lower maintenance and manufacturing costs, lower failure rate, faster torque transmission at low speeds, suitable for low-speed urban roads, and lower fuel consumption. 2. Disadvantages: The valve opening/closing timing is fixed, leading to a feeling of reduced power as speed increases. 2. Four-valve engines: 1. Advantages: Can increase engine power and reduce noise. The total intake valve area is larger, with a higher impulse coefficient, and the exhaust valve diameter can be appropriately reduced, lowering its working temperature and improving reliability. 2. Disadvantages: More complex structure, higher costs, and more complicated maintenance.
12
4
Share

Is 50,000 Kilometers in Two Years Considered a Lot?

50,000 kilometers in two years is considered a lot. Based on 365 days a year, this averages over 450 kilometers per day. The foundation of safe driving lies in skill and experience. To better observe traffic signs, pay attention to roadside and overhead indicators while driving, maintain a far and high field of vision, and ensure you understand the meaning of traffic signs before proceeding. Below are some driving precautions: 1. Check the rearview mirrors: Always use turn signals and decelerate when turning or changing lanes. Before turning, check the rearview mirrors—left turns primarily require checking the left mirror, right turns the right mirror, and both turns necessitate checking the interior rearview mirror. 2. Avoid fixating on the immediate front of the car: On open roads, keep your gaze level and focused about 100 meters ahead, not just on the area directly in front of the car. 3. Clutch control: When decelerating at speeds above 40 km/h, there's no need to press the clutch immediately; wait until the speed drops to around 20 km/h before engaging the clutch. 4. Steering: Turn the wheel slowly for high-speed turns and quickly for low-speed turns.
17
3
Share

Why is there no sound when playing music via Bluetooth in an Audi Q3?

Audi Q3 is connected to Bluetooth but there is no sound. Possible reasons include: Phone is on silent mode: The phone's volume is set to mute. Vehicle volume is low: The vehicle's audio is either muted or set to the lowest volume. Connection issue: There might be a problem with the connection between the phone and the car's system, requiring disconnection and reconnection. Song format issue: The format of the song being played may be incompatible and needs conversion. Below is extended information about the 2021 Audi Q3: Body: It is a compact SUV with dimensions of 4495mm in length, 1848mm in width, and 1616mm in height, a wheelbase of 2680mm, a fuel tank capacity of 60L, and a trunk capacity of 450L. Powertrain: The Audi Q3 is equipped with two engines: a 1.4L turbocharged engine and a 2.0L turbocharged engine. The 1.4L turbocharged engine delivers a maximum horsepower of 150hp, while the 2.0L turbocharged engine has a low-power version with 186hp and a high-power version with 220hp.
1
2
Share

Is the fuel consumption of Lincoln cars high?

Lincoln car fuel consumption varies depending on individual driving habits, and the fuel consumption is considered normal. Here is the relevant introduction: Performance: Standard equipped with a 2.0T engine, paired with an 8-speed automatic transmission, it releases powerful performance, offering a more flexible driving experience and allowing you to fully enjoy the thrill of driving. Driving Modes: The Lincoln driving control system can meet the needs of different road conditions, whether it's slippery or complex surfaces, it can handle them with ease, providing unlimited driving pleasure. Suspension: The car is equipped with 12 sensors that monitor road conditions in real-time, predicting body dynamics, steering, acceleration, and braking. With data read 500 times per second and each wheel's shock absorber independently adjusted 100 times per second, it ensures a comfortable driving performance at all times.
7
5
Share

What is the fuel consumption of the Sehol A5?

The fuel consumption of the Sehol A5 is 7.5-8 liters per 100 kilometers. The fuel consumption of a vehicle mainly depends on driving habits and road conditions. As long as the vehicle is used normally and maintained on time, it will be fine. When the fuel consumption is too high, it is necessary to clean the carbon deposits from the vehicle's engine. Here are some relevant tips: Make good use of the brake pedal: If you are skilled, you can shift to neutral gear when still far from the stopping point and control the speed with the brake pedal; Maintain appropriate tire pressure: If the tire pressure is too low, it will consume more fuel, so tire pressure should be checked frequently. Tire pressure that meets the specified requirements can reduce fuel consumption by three percent; Avoid aggressive driving: Behaviors such as stepping hard on the accelerator after stopping, braking forcefully, and accelerating sharply will all increase fuel consumption.
7
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.